CN108844143A - The control method of heat exchanger assembly, air conditioner and air conditioner - Google Patents
The control method of heat exchanger assembly, air conditioner and air conditioner Download PDFInfo
- Publication number
- CN108844143A CN108844143A CN201810804378.5A CN201810804378A CN108844143A CN 108844143 A CN108844143 A CN 108844143A CN 201810804378 A CN201810804378 A CN 201810804378A CN 108844143 A CN108844143 A CN 108844143A
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- detection piece
- exchanger assembly
- detection
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/14—Heat exchangers specially adapted for separate outdoor units
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/41—Defrosting; Preventing freezing
- F24F11/42—Defrosting; Preventing freezing of outdoor units
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
- F24F2140/20—Heat-exchange fluid temperature
Abstract
The present invention provides the control method of a kind of heat exchanger assembly, air conditioner and air conditioner, which includes：Heat exchanger, heat exchanger have multiple refrigerant pipelines；Detection device, detection device include the first detection piece, and the first detection piece is movably disposed on heat exchanger, and detection device is used to detect the running parameter of multiple refrigerant pipelines.Using technical solution provided by the invention, solving heat exchanger assembly in the prior art can not the temperature of multiple refrigerant pipelines of heat exchanging device the technical issues of being detected and leading to not accurate judgement frosting state.
Description
Technical field
The present invention relates to air-conditioning technical fields, in particular to a kind of heat exchanger assembly, air conditioner and air conditioner
Control method.
Background technique
Currently, outdoor heat exchanger is responsible for and outdoor air heat exchange, thus exchanges heat when air-conditioner set winter operation heating mode
The surface temperature of device will be lower than outdoor environment temperature.It, i.e., can be in wing when heat exchanger surface temperature is lower than the freezing point of outdoor air
Piece heat exchanger surface frosting.The lower circuit of a refrigerant temperature is selected generally in the refrigerant pipeline of heat exchanger as detection
Point, and it is fixedly installed detection device in the test point, pass through pair of the temperature and environment temperature that detect the detection device
Than determining whether air-conditioner set carries out defrost.
But in the actual motion of air-conditioner set, the state moment changes when due to refrigerant circulation, the inspection
The temperature of measuring point can not react the frosting situation of multiple refrigerant pipelines completely.In some cases, the temperature of other refrigerant pipelines
Degree can be lower than the temperature at the test point, and the detection device can not detect the actual temperature of other refrigerant pipelines, thus
The judgement that whether can enter defrost state to air-conditioner set has a certain impact.When the temperature for the refrigerant pipeline that test point detects
Be not it is minimum and when meeting heating condition, at this point, air-conditioner set will move out defrost pattern.And in fact, still there is other pipelines
Temperature lower than the temperature at the monitoring point, and still in frosting state.The frosting that will cause heat exchanger in this way is serious, frequent
Frosting, even protection are shut down, to influence the heating operation effect of air-conditioner set.
Summary of the invention
The present invention provides the control method of a kind of heat exchanger assembly, air conditioner and air conditioner, to solve in the prior art
Heat exchanger assembly can not the temperature of multiple refrigerant pipelines of heat exchanging device detected and lead to not accurate judgement frosting shape
The technical issues of state.
According to an aspect of the invention, there is provided a kind of heat exchanger assembly, including：Heat exchanger, heat exchanger have multiple
Refrigerant pipeline；Detection device, detection device include the first detection piece, and the first detection piece is movably disposed on heat exchanger, are examined
Survey the running parameter that device is used to detect multiple refrigerant pipelines.
Further, detection device further includes：Transmission device, on heat exchangers, the setting of the first detection piece is being driven for setting
On device, the first detection piece is movably disposed on heat exchanger by transmission device.
Further, transmission device includes：Driving member, the first detection piece are arranged on driving member；Driving mechanism, driving machine
Structure and driving member are drivingly connected, to drive driving member to be driven.
Further, driving member is conveyer belt.
Further, heat exchanger assembly further includes：Second detection piece, the second detection piece are used to detect the position of the first detection piece
It sets, transmission device has the first end and second end being oppositely arranged, and the second detection piece is arranged at first end and/or second end.
Further, transmission device further includes：First controller, the second detection piece and transmission device with the first controller
Electrical connection, the movement for the signal control transmission device that the first controller is detected according to the second detection piece.
Further, detection device further includes：Third detection piece, third detection piece are arranged on heat exchangers, third detection
Part is used to cooperate with the first detection piece to detect the running parameter of multiple refrigerant pipelines.
Further, the first detection piece is infrared temperature measurement apparatus, and third detection piece includes laser receiver, laser pick-off
Device is oppositely arranged with infrared temperature measurement apparatus.
According to another aspect of the present invention, a kind of air conditioner is provided, including：Heat exchanger assembly, heat exchanger assembly are upper
The heat exchanger assembly of offer is provided；The detection device of second controller, heat exchanger assembly is electrically connected with second controller；Air conditioner
Group is electrically connected with second controller, and second controller is controlled according to the temperature signal that the detection device of heat exchanger assembly detects
The operational mode of air-conditioner set.
According to another aspect of the present invention, a kind of control method of air conditioner is provided, control method applies above-mentioned offer
Air conditioner, control method includes：Multiple refrigerants of the detection device of air conditioner heat exchanging device assembly in default detection cycle
Pipeline carries out temperature detection, to obtain the temperature data of multiple refrigerant pipelines；Judge multiple refrigerant pipelines temperature data whether
Less than preset temperature, when having in temperature data less than the case where preset temperature value, second controller controls air-conditioner set and enters
Defrost operating mode, when temperature data is all larger than preset temperature value, then second controller control air-conditioner set enters heating mould
Formula.
It applies the technical scheme of the present invention, using heat exchanger assembly provided by the invention, due to the first inspection of detection device
Part is surveyed to be movably disposed on heat exchanger, by being capable of detecting when the running parameter of multiple refrigerant pipelines between first detection,
The running parameter is mainly temperature.By the temperature that detects can accurate response go out the frosting situation of each refrigerant pipeline, with
Convenient for controlling the operating status of air-conditioner set according to the frosting situation of each refrigerant pipeline.Therefore, it is changed using provided by the invention
The control method of hot device assembly, air conditioner and air conditioner, being able to solve heat exchanger assembly in the prior art can not heat exchanging
The technical issues of temperature of multiple refrigerant pipelines of device is detected and leads to not accurate judgement frosting state.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.In the accompanying drawings：
Fig. 1 shows the structural schematic diagram of the heat exchanger assembly provided according to embodiments of the present invention；
Fig. 2 shows the main views of the transmission device of offer according to embodiments of the present invention；
Fig. 3 shows the side view of the transmission device provided according to embodiments of the present invention.
Wherein, above-mentioned attached drawing includes the following drawings label：
10, heat exchanger；11, refrigerant pipeline；21, the first detection piece；22, driving member；23, driving mechanism；24, third detects
Part；25, shaft.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment be it is illustrative, never as to the present invention and its application or make
Any restrictions.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under multiple other embodiments obtained, shall fall within the protection scope of the present invention.
As shown in Figure 1, the embodiment of the present invention one provides a kind of heat exchanger assembly, which includes：Heat exchanger
10 and detection device.Wherein, heat exchanger 10 can be finned heat exchanger 10, and heat exchanger 10 has multiple refrigerant pipelines 11.Inspection
Surveying device includes the first detection piece 21, and the first detection piece 21 is movably disposed on heat exchanger 10, and detection device is for detecting
The running parameter of multiple refrigerant pipelines 11.In the present embodiment, the first detection piece 21 is preferably movably disposed at heat exchanger
10 side close to multiple refrigerant pipelines 11, in order to preferably measure the temperature of each refrigerant pipeline 11.
Using heat exchanger assembly provided in this embodiment, since the first detection piece 21 of detection device is movably disposed at
On heat exchanger 10, by being capable of detecting when that the running parameter of multiple refrigerant pipelines 11, the running parameter are main between first detection
For temperature.By the temperature that detects can accurate response go out the frosting situation of each refrigerant pipeline 11, in order to according to each
The operating status of the frosting situation control air-conditioner set of refrigerant pipeline 11.Therefore, using heat exchanger assembly provided in this embodiment,
Be able to solve heat exchanger assembly in the prior art can not heat exchanging device 10 multiple refrigerant pipelines 11 temperature detected and
The technical issues of leading to not accurate judgement frosting state.
As shown in Figures 2 and 3, in order to be movably disposed at the first detection piece 21 on heat exchanger 10, this reality
Applying the detection device in example further includes transmission device.Correspondingly, transmission device is also disposed on heat exchanger 10.First detection piece 21
It is arranged on transmission device, the first detection piece 21 is movably disposed on heat exchanger 10 by transmission device, in order to exchange
The temperature of multiple refrigerant pipelines 11 of hot device 10 is detected.
Transmission device in the present embodiment includes：Driving member 22 and driving mechanism 23.Wherein, the first detection piece 21 setting exists
On driving member 22.Driving mechanism 23 and driving member 22 are drivingly connected, to drive driving member 22 to be driven.Using such setting, when
Heat exchanger assembly at work, 23 task driven driving member 22 of driving mechanism transmission, and drive the be arranged on driving member 22
One detection piece 21 movement, so that the first detection piece 21 is capable of detecting when the temperature of multiple refrigerant pipelines 11 of heat exchanger 10, in turn
Convenient for judging the frosting situation of multiple coolant loops.Driving mechanism 23 in the present embodiment is motor.
In the present embodiment, driving member 22 is conveyer belt.Transmission device in the present embodiment further includes shaft 25, driving machine
The rotation of 23 drive shaft 25 of structure, shaft 25 are rotated to drive transmission V belt translation.Driving member 22 can also be the dress such as gear, chain
It sets.
Specifically, heat exchanger assembly further includes the second detection piece, the second detection piece is used to detect the position of the first detection piece 21
It sets.Transmission device in the present embodiment has the first end and second end being oppositely arranged.It can make all refrigerants of heat exchanger 10
Pipeline 11 is respectively positioned between first end and second end, in order to which the first detection piece 21 detects all refrigerant pipelines of heat exchanger 10
11 temperature.Can also according to the temperature conditions of actual refrigerant pipeline 11, choose the lower refrigerant pipeline 11 of multiple temperature into
Row detection, and make these refrigerant pipelines 11 between first end and second end.
Specifically, the second detection piece can be arranged at first end；Or the second detection piece is arranged at second end；
Or the second detection piece is arranged at first end, and the second detection piece is arranged at second end.In the present embodiment, by
Two detection pieces are arranged at first end, and the second detection piece is arranged at second end, and the second detection piece is contact sensor.
In this way, when the first detection piece 21 moves to first end, the first detection piece 21 by with the contact sensor that is arranged at first end
The first signal is contacted and passes out, when the first detection piece 21 moves to second end, the first detection piece 21 will be with setting second
Contact sensor at end contacts and passes out second signal, and the time difference of the sending of the two signals is a detection week
Phase.
For the ease of controlling the movement of transmission device, the heat exchanger assembly in the present embodiment further includes the first controller.The
Two detection pieces and transmission device are electrically connected with the first controller, the signal control that the first controller is detected according to the second detection piece
The movement of transmission device processed.Specifically, the first controller will control driving mechanism when the first controller receives the first signal
23 counter motions, so that 22 counter motion of driving member；When the first controller receives second signal, the first controller also will control
23 counter motion of driving mechanism processed, so that 22 counter motion of driving member.In such manner, it is possible to make the first detection piece 21 in first end and
It is moved back and forth between second end, carries out cruise formula detection, preferably to detect the temperature of multiple refrigerant pipelines 11.
In the present embodiment, detection device further includes third detection piece 24.Third detection piece 24 is arranged on heat exchanger 10,
Third detection piece 24 is used to cooperate with the first detection piece 21 to detect the running parameter of multiple refrigerant pipelines 11.Here work ginseng
Number is temperature parameter.
Specifically, the first detection piece 21 is infrared temperature measurement apparatus, which is infrared radiation thermometer.Third detection
Part 24 includes laser receiver, and laser receiver is oppositely arranged with infrared temperature measurement apparatus.Using such setting, exchanging heat
When device assembly works, infrared radiation thermometer transmitting laser is aimed to measure temperature.When what is be oppositely arranged with the infrared radiation thermometer
When laser receiver receives laser, it is not received by laser on refrigerant pipeline 11 at this time, thus infrared radiation thermometer is surveyed at this time
The temperature measured is not the temperature on refrigerant pipeline 11, i.e., the temperature data is invalid data.When with the infrared radiation thermometer phase
When not receiving laser to the laser receiver of setting, laser, thus infrared measurement of temperature are had received on refrigerant pipeline 11 at this time
The temperature that instrument is measured at this time is the temperature on refrigerant pipeline 11, i.e., the temperature data is valid data.By the way that third is arranged
Detection piece 24, and third detection piece 24 and the second detection piece are cooperated to detect the temperature of multiple refrigerant pipelines 11, in this way can be with
Guarantee that detection device can accurately measure to obtain the temperature of multiple refrigerant pipelines 11.
Second embodiment of the present invention provides a kind of air conditioner, which includes：Heat exchanger assembly, second controller and sky
Adjust unit.Wherein, heat exchanger assembly is the heat exchanger assembly in embodiment one, the detection device of heat exchanger assembly and the second control
Device electrical connection.Air-conditioner set is electrically connected with second controller, and second controller is detected according to the detection device of heat exchanger assembly
Temperature signal control air-conditioner set operational mode.
Detection using air conditioner provided in this embodiment, when air conditioner heating operation in winter, in heat exchanger assembly
Device is able to detect that the temperature conditions of multiple refrigerant pipelines 11 in heat exchanger 10, passes through the temperature data for obtaining these measurements
It is compared with environment temperature, can accurately reflect whether multiple refrigerant pipelines 11 are in frosting state.When in heat exchanger assembly
Detection device detects that second controller will control air-conditioner set there are when frosting situation in multiple refrigerant pipelines 11
Frost.Thus, using air conditioner provided in this embodiment, air-conditioner set can be accordingly controlled according to the actual conditions of refrigerant pipeline 11
Operating mode, preferably control air-conditioner set enter defrost pattern or exit defrost pattern, improve the operation of air-conditioner set
Reliability improves the heating effect of air-conditioner set.
The embodiment of the present invention three provides a kind of control method of air conditioner, the sky in the control method Application Example two
Adjust device.Control method includes：Multiple refrigerant pipelines of the detection device of air conditioner heat exchanging device assembly in default detection cycle
11 carry out temperature detection, to obtain the temperature data of multiple refrigerant pipelines 11；Judge whether the temperature of multiple refrigerant pipelines 11 is small
In preset temperature, when having in temperature data less than the case where preset temperature value, second controller controls air-conditioner set entrance
White operating mode；When temperature data is all larger than preset temperature value, then second controller control air-conditioner set enters heating mode.
Specifically, the predetermined period is detection cycle, which is environment temperature.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
It is not limited the scope of the invention up to formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each portion shown in attached drawing
The size divided not is to draw according to actual proportionate relationship.For technology, side known to person of ordinary skill in the relevant
Method and equipment may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as authorizing explanation
A part of book.In shown here and discussion multiple examples, any occurrence should be construed as merely illustratively, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should be noted that：Similar label
Similar terms are indicated in following attached drawing with letter, therefore, once it is defined in a certain Xiang Yi attached drawing, then subsequent attached
It does not need that it is further discussed in figure.
In the description of the present invention, it is to be understood that, the noun of locality such as " front, rear, top, and bottom, left and right ", " it is laterally, vertical,
Vertically, orientation or positional relationship indicated by level " and " top, bottom " etc. is normally based on orientation or position shown in the drawings and closes
System, is merely for convenience of description of the present invention and simplification of the description, in the absence of explanation to the contrary, these nouns of locality do not indicate that
It must have a particular orientation or be constructed and operated in a specific orientation with the device or element for implying signified, therefore cannot manage
Solution is limiting the scope of the invention；The noun of locality " inside and outside " refers to inside and outside the profile relative to each component itself.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
In addition, it should be noted that, limiting components using the words such as " first ", " second ", it is only for be convenient for
Corresponding components are distinguished, do not have Stated otherwise such as, there is no particular meanings for above-mentioned word, therefore should not be understood as to this
The limitation of invention protection scope.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of heat exchanger assembly, which is characterized in that including：
Heat exchanger (10), the heat exchanger (10) have multiple refrigerant pipelines (11)；
Detection device, the detection device include the first detection piece (21), and first detection piece (21) is movably disposed at
On the heat exchanger (10), the detection device is used to detect the running parameter of multiple refrigerant pipelines (11).
2. heat exchanger assembly according to claim 1, which is characterized in that the detection device further includes：
Transmission device is arranged on the heat exchanger (10), and first detection piece (21) is arranged on the transmission device, institute
The first detection piece (21) is stated to be movably disposed on the heat exchanger (10) by the transmission device.
3. heat exchanger assembly according to claim 2, which is characterized in that the transmission device includes：
Driving member (22), first detection piece (21) are arranged on the driving member (22)；
Driving mechanism (23), the driving mechanism (23) and the driving member (22) are drivingly connected, to drive the driving member
(22) it is driven.
4. heat exchanger assembly according to claim 3, which is characterized in that the driving member (22) is conveyer belt.
5. heat exchanger assembly according to claim 2, which is characterized in that the heat exchanger assembly further includes：
Second detection piece, second detection piece are used to detect the position of first detection piece (21), the transmission device tool
There is the first end and second end being oppositely arranged, second detection piece is arranged at the first end and/or the second end.
6. heat exchanger assembly according to claim 5, which is characterized in that the heat exchanger assembly further includes：
First controller, second detection piece and the transmission device are electrically connected with first controller, and described first
Controller controls the movement of the transmission device according to the signal that second detection piece detects.
7. heat exchanger assembly according to claim 5, which is characterized in that the detection device further includes：
Third detection piece (24), the third detection piece (24) are arranged on the heat exchanger (10), the third detection piece
(24) for cooperating with first detection piece (21) to detect the running parameter of multiple refrigerant pipelines (11).
8. heat exchanger assembly according to claim 7, which is characterized in that first detection piece (21) is infrared measurement of temperature dress
It sets, the third detection piece (24) includes laser receiver, and the laser receiver is opposite with the infrared temperature measurement apparatus
Setting.
9. a kind of air conditioner, which is characterized in that including：
Heat exchanger assembly, the heat exchanger assembly are heat exchanger assembly described in any item of the claim 1 to 8；
Second controller, the detection device of the heat exchanger assembly are electrically connected with the second controller；
Air-conditioner set is electrically connected with the second controller, and the second controller is filled according to the detection of the heat exchanger assembly
Set the operational mode that the temperature signal detected controls the air-conditioner set.
10. a kind of control method of air conditioner, which is characterized in that air-conditioning described in the control method application claim 9
Device, the control method include：
The detection device of the air conditioner in default detection cycle to multiple refrigerant pipelines (11) of the heat exchanger assembly into
Trip temperature detection, to obtain the temperature data of multiple refrigerant pipelines (11)；
Judge whether the temperature of multiple refrigerant pipelines (11) is less than preset temperature, is preset when having to be less than in the temperature data
When the case where temperature value, the second controller controls the air-conditioner set and enters defrost operating mode, when the temperature data
When being all larger than preset temperature value, then the second controller control air-conditioner set enters heating mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810804378.5A CN108844143A (en) | 2018-07-20 | 2018-07-20 | The control method of heat exchanger assembly, air conditioner and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810804378.5A CN108844143A (en) | 2018-07-20 | 2018-07-20 | The control method of heat exchanger assembly, air conditioner and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108844143A true CN108844143A (en) | 2018-11-20 |
Family
ID=64196669
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810804378.5A Pending CN108844143A (en) | 2018-07-20 | 2018-07-20 | The control method of heat exchanger assembly, air conditioner and air conditioner |
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| CN (1) | CN108844143A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110186154A (en) * | 2019-05-31 | 2019-08-30 | 四川长虹空调有限公司 | The defrosting method and device of air-conditioning |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104165614A (en) * | 2013-05-17 | 2014-11-26 | 珠海格力电器股份有限公司 | Heat exchanger fin detection apparatus |
| US20150276241A1 (en) * | 2014-03-31 | 2015-10-01 | Lg Electronics Inc. | Dehumidifier |
| CN105527994A (en) * | 2016-01-25 | 2016-04-27 | 陈佳伟 | Refrigerating box temperature control method based on acoustic wave temperature measurement |
| CN106196524A (en) * | 2016-08-01 | 2016-12-07 | 珠海格力电器股份有限公司 | Control device, control method and the air-conditioning of a kind of air-conditioning anti-freeze |
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| CN110186154A (en) * | 2019-05-31 | 2019-08-30 | 四川长虹空调有限公司 | The defrosting method and device of air-conditioning |
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Application publication date: 20181120 |
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| RJ01 | Rejection of invention patent application after publication |